| # | Name | |
|---|---|---|
| 1 |
Marshalltown |
247 |
| 2 |
Marshalltown |
246 |
| 3 |
Marshalltown |
233 |
| 4 |
Southeast Polk |
231 |
| 5 |
Marshalltown |
222 |
| 6 |
Marshalltown |
213 |
| 7 |
Southeast Polk |
195 |
| 7 |
Marshalltown |
195 |
| 9 |
Southeast Polk |
191 |
| 10 |
Southeast Polk |
183 |
| 11 |
Southeast Polk |
179 |
| 12 |
Southeast Polk |
177 |